As people witness the effects of climate change causing storms of greater frequency and severity, storm-water management in green streetscape design provides an added safeguard that can help mitigate flash flooding during these events. Green street design helps manage stormwater runoff to minimize the amount of pollutants that reach the waterways during rain storms. It also increase the safety and walkability of streets and beautify city. This book provides a toolkit and reference for design projects for city agencies, contractors and landscape designers to help them achieve their goals.